Incubator



Feb. 7, 1928.

J. S. BROWER INCUBATOR Filed Sept. 25, 1922 2 Sheets-Sheet 1 Zinzi/62230# James j. lazaef a? @fm/4%? Patented` Feb. 7, 1928.

James s. nnownn, or se. Louis, laisserai.

INGUBATUR.

Application filed September 25, 1922. Serial No. 590.383.

'.lfliis invention relates Ato new and uset'ul improvements in incubator-s and the objects oi" the invention are to provide simple and elllcient means `lor collectively or individual ly moving the egg trays in and out ot the incubating chamber.

lvlith these and other objects in vieW,n-1y intention consists in certain `novel features of construction and arrangement of parts,l hereinafter more fully described and claimed, and illustrated in the accompanying drawings, in Which- Figure 1 is a front elevational view ol' the incubator.

ligure 2 is a transverse cross s ctional View through the same.

Figure 3 is a perspective detail View of the tray supporting sliding frame.

Figure a is a trag-mental detail Viewk of the incubator'.

Figur 5 is a transverse cross sectional View through the incubator partly broken away and showing the parts thereof in moved positions. f

Figure G is a detail sectional viev7 through the side wall oi'f the incubator and the tray supporting frame and showing the pinion in a disengaged position. j

ligure T is an end elevational View part-y ly in section ol the pinion and showing the means for lookingr said pinion to the shatt. ligure 8 a vertical cross section through the valve casing and showing the improved valve seated therein.

vllet'erring by `umcrals to the accompany ii i: drawings, 10 represents. an incubator har/ing a plurality oit incubating chambers i 11, access to which may be gained by means et doors 12. Each door is hinged at its upper edge to the `trent Wall oi' the incubator by means hinges 1d. A rod 15 is disposed in bearings 16 ashort distance above doors 12 and has Xed thereto a series ot arms 1'?, the outer ends ot which are connected by links 18 to said doors. @ne end ot rod extends beyond the side Wall 10n ol' the incubator` and is provided With a handle 19 by the manipulation of which all oig' said doors 12 are simultaneously operated through the medium of rod 15, arms l? and links 18. Side Walls 10a and intermediate Walls 10b are provided With in- Wardly presented channels 2O in which are slidably mounted the side members -oit trainee 21. Depending from each side member is araclr 22 which is adapted to ing racks 22 to permit selective movement ol' the .trames 21 and the trays supported thereon.

When pinion 2li is in engagement with its corresponding rack, said pinion is locked i x ...U

to shaft C by means of a senil-circular spring 30, one ond of which is secured to the hub of the pinion While its' opposite end,`

carries a pin 3l which passes downwardly through an opening 32 tor-ined in said hub and rests in a recess or seat- 34 formed in shaft 25. rlhe forward end oit each rack ter-v minates past the trame 21 and projects outwardly from the incubator through a suitable opening 35 .termed therein so as to be at all timesin position to be engaged by its" respective pinion.

lllfhen it is desired place egg trays on trames 21,` doors '22' are openedV the manipulation of handle 19. Shaft is now actuated byhandle 2i' so that pinions` are rotated and cause,H through their interengagement with racks 22,v the outward moven'ient oi trames 21. Il for any reason it is" not desired to bring forward rromthe incubating chamber a cer-y tain tray,` pinions 2d engaging the corresponding racks ot said trayare displaced from their rack engaging positions, Whereby the operative connection between this shaft and the particular tray is broken. To displace the pinion, the tree end of spring member 30 is engaged by the operators tinger and is lifted outwardly and upwardly until pin 31 is dis-engaged irom its seat 34 in shaft 25. Pinion 24 is now shifted on shaft out ot engagement with the rack 22. To restore pinion 24 to its operative position, said pinion is shifted on shaft 25 until its hub bears against pin 25a fixed in l Pinions 24s are" displaceably mounted on shaft 25 and can be` moved out ot engagement with corresponds' to inspect the eggs or shaft E25, whereby pinion 24 will be in engagement with rack 22 and pin 31 will be seated in recess 34.

In order to limit the outward placement thereoi' troni its seat 20, thejrear end ot each rack is provided with a lateral outwardly projecting lug or projection 36 which when the frame reaches its extreme outward position strikes against thev stop pin 37 txed in the side or intermediate walls of the incubator and projecting outwardly in the path et' travel of lugs 36, thereby limiting the movement ot said tray.

The incubator is provided with a series ot slide rods 38 which are disposed therein adjacent to the top wall thereot' and their inner portions have bearings` in suitable brackets 3S). The inner ends ot' these rods are bent laterally to :torni a bracket engaging stop for preventing the withdrawal ot said rods from the incubator. Theserods 38 can be pulled outward a suitable distance and are designed to be used as a temporary support tor the egg trays, the latter being placed transversely thereonas shown in Figure 5.

The incubating chambers are heated by hot water pipes 4() which are connected to a common supply pipe 41. The connection between the supply pipe 41 and the hot water pipes 40 is established by means of a valve casing 42 and the connection is controlled by a cylindrical valve 44 seated in j Each chamber is provided with a ventilator 46 having a flaring lower end 47 extending into the chamber below the plane occupied by hot water pipe 40 and having its open end adapted to be closed by a closure member 48. This closure member is adjustably mounted by means of an adjusting member 49 upon one end of a rod 50 and valve 44 is suspended from the opposite end ot said rod bya chain 5l.

Rod or handle 50 is pivotally supported on the incubator by a suitable bracket or support 52 and is adapted to be actuated by a thermostat 54 arranged in each incubating chamber. Thermostat 54, closure member 48, and valve 44 are adjusted so as to maintain the proper temperature inthe incubating chamber and said rod is actuated by said thermostat to close ventilator 46 and unseat valve casing 4:2.`

movementA oi frame 2l and prevent the accident-a1 disvalve 44 when the temperature in the incubating chamber falls below a predetermined degree, or vice versa when the temperature rises above a certain degree,

'I claim:

l. In an incubator having a plurality of incubating chambers, the side walls ot' each ot which are provided with longitudinally disposed grooves, the combination ot a rectangular traine having its sides slidably arrangedin said grooves, an egg tray removably supported on each iframe, the ends of each trame being provided with upward projections tor engaging the ends oi the cor responding tray, racks depending from the sides ot each frame and having their forward ends projecting beyond said frame through the front walls of said chambers, a

horizontally disposed shait journalled en teriorly oi? said"icubator below the horizontal plane ot said trame, pinions on said shaft tor meshing with said racks, a handle for manually operating said shat't and si multaneously positioning all of said trames" in and out ot the respective.chambers and a stop extending transversely and inwardly from one oiE tlieside walls and adapted to be engaged by a portion ot the corresponding rack tor preventing the displacement ol' the frame.

2. In an incubator having a plurality of incubating cha1nbers,the side walls ot' each of which are provided with longitudinally disposed grooves, the combination of a rec tangularirame having its sides slid-ably ar ranged in the grooves ot the respective chamber, an egg tray removably supported on each frame, a rack depending from the side of each trame and having its forward end projecting outwardly through the frontwall of the incubator, a horizontally disposed shaft journalled exteriorly ot said in cubator below the horizontal plane ot said trame, pinions iixed on said shaft and mesln ing with said racks, a handle for manually operating said shaft and simultaneously po sitioning all et said frames in and out of the respective chambers, and a door for each chamber.

' Inv testimony whereof I hereunto aiiix my signature this 5th clay' of September, 1922.

'JAMES s. Bnownn. 

